// Copyright 2008 Google Inc.
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//      http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.calculator.tree;

/**
 * 
 * @author tulaurent@gmail.com (Laurent Tu)
 *
 */
public class Addition extends InternalNode {
  public Addition(Tree left, Tree right) {
    super(left, right);
    // TODO Auto-generated constructor stub
  }

  @Override
  public double evaluate(EvaluationContext context) {
    double left = children.get(0).evaluate(context);
    double right = children.get(1).evaluate(context);
    
    return left+right;
  }

}
